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<div class="header">
  <div class="headertitle"><div class="title">DMA_InitTypeDef Struct Reference<div class="ingroups"><a class="el" href="group___s_t_m32_h7xx___h_a_l___driver.html">STM32H7xx_HAL_Driver</a> &raquo; <a class="el" href="group___d_m_a.html">DMA</a> &raquo; <a class="el" href="group___d_m_a___exported___types.html">DMA Exported Types</a></div></div></div>
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<p>DMA Configuration Structure definition.  
 <a href="#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="stm32h7xx__hal__dma_8h_source.html">stm32h7xx_hal_dma.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-attribs" class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a74997b2fac5607fafbb958d4311b9017" id="r_a74997b2fac5607fafbb958d4311b9017"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a74997b2fac5607fafbb958d4311b9017">Request</a></td></tr>
<tr class="memitem:a0145b5d0e074fa8e2e185ecf2c4a15ca" id="r_a0145b5d0e074fa8e2e185ecf2c4a15ca"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a0145b5d0e074fa8e2e185ecf2c4a15ca">Direction</a></td></tr>
<tr class="memitem:a46811eb656170cb5c542054d1a41db3a" id="r_a46811eb656170cb5c542054d1a41db3a"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a46811eb656170cb5c542054d1a41db3a">PeriphInc</a></td></tr>
<tr class="memitem:a49b187ba5ab8ba4354e02837e8b99414" id="r_a49b187ba5ab8ba4354e02837e8b99414"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a49b187ba5ab8ba4354e02837e8b99414">MemInc</a></td></tr>
<tr class="memitem:a10a4a549953efa20c235dcbb381b6f0b" id="r_a10a4a549953efa20c235dcbb381b6f0b"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a10a4a549953efa20c235dcbb381b6f0b">PeriphDataAlignment</a></td></tr>
<tr class="memitem:a7784efedc4a61325fa7364fcace10136" id="r_a7784efedc4a61325fa7364fcace10136"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7784efedc4a61325fa7364fcace10136">MemDataAlignment</a></td></tr>
<tr class="memitem:adbbca090b53d32ac93cc7359b7994db2" id="r_adbbca090b53d32ac93cc7359b7994db2"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#adbbca090b53d32ac93cc7359b7994db2">Mode</a></td></tr>
<tr class="memitem:af110cc02c840207930e3c0e5de5d7dc4" id="r_af110cc02c840207930e3c0e5de5d7dc4"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#af110cc02c840207930e3c0e5de5d7dc4">Priority</a></td></tr>
<tr class="memitem:acda0396cf55baab166f51b1ea1deed0d" id="r_acda0396cf55baab166f51b1ea1deed0d"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#acda0396cf55baab166f51b1ea1deed0d">FIFOMode</a></td></tr>
<tr class="memitem:a2f994cc2979b82cd215e9f38edbbc6ed" id="r_a2f994cc2979b82cd215e9f38edbbc6ed"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2f994cc2979b82cd215e9f38edbbc6ed">FIFOThreshold</a></td></tr>
<tr class="memitem:ad5e266a0b90f58365e21c349654bc68d" id="r_ad5e266a0b90f58365e21c349654bc68d"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad5e266a0b90f58365e21c349654bc68d">MemBurst</a></td></tr>
<tr class="memitem:a3fbfe4dd664e24845dc75f5c8f43b5a3" id="r_a3fbfe4dd664e24845dc75f5c8f43b5a3"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3fbfe4dd664e24845dc75f5c8f43b5a3">PeriphBurst</a></td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>DMA Configuration Structure definition. </p>
</div><a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Member Data Documentation</h2>
<a id="a0145b5d0e074fa8e2e185ecf2c4a15ca" name="a0145b5d0e074fa8e2e185ecf2c4a15ca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0145b5d0e074fa8e2e185ecf2c4a15ca">&#9670;&#160;</a></span>Direction</h2>

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<p>Specifies if the data will be transferred from memory to peripheral, from memory to memory or from peripheral to memory. This parameter can be a value of <a class="el" href="group___d_m_a___data__transfer__direction.html">DMA Data transfer direction</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#acda0396cf55baab166f51b1ea1deed0d">&#9670;&#160;</a></span>FIFOMode</h2>

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<p>Specifies if the FIFO mode or Direct mode will be used for the specified stream. This parameter can be a value of <a class="el" href="group___d_m_a___f_i_f_o__direct__mode.html">DMA FIFO direct mode</a> </p><dl class="section note"><dt>Note</dt><dd>The Direct mode (FIFO mode disabled) cannot be used if the memory-to-memory data transfer is configured on the selected stream </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a2f994cc2979b82cd215e9f38edbbc6ed">&#9670;&#160;</a></span>FIFOThreshold</h2>

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<p>Specifies the FIFO threshold level. This parameter can be a value of <a class="el" href="group___d_m_a___f_i_f_o__threshold__level.html">DMA FIFO threshold level</a> </p>

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<a id="ad5e266a0b90f58365e21c349654bc68d" name="ad5e266a0b90f58365e21c349654bc68d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad5e266a0b90f58365e21c349654bc68d">&#9670;&#160;</a></span>MemBurst</h2>

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<p>Specifies the Burst transfer configuration for the memory transfers. It specifies the amount of data to be transferred in a single non interruptible transaction. This parameter can be a value of <a class="el" href="group___d_m_a___memory__burst.html">DMA Memory burst</a> </p><dl class="section note"><dt>Note</dt><dd>The burst mode is possible only if the address Increment mode is enabled. </dd></dl>

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<a id="a7784efedc4a61325fa7364fcace10136" name="a7784efedc4a61325fa7364fcace10136"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7784efedc4a61325fa7364fcace10136">&#9670;&#160;</a></span>MemDataAlignment</h2>

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<p>Specifies the Memory data width. This parameter can be a value of <a class="el" href="group___d_m_a___memory__data__size.html">DMA Memory data size</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a49b187ba5ab8ba4354e02837e8b99414">&#9670;&#160;</a></span>MemInc</h2>

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<p>Specifies whether the memory address register should be incremented or not. This parameter can be a value of <a class="el" href="group___d_m_a___memory__incremented__mode.html">DMA Memory incremented mode</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#adbbca090b53d32ac93cc7359b7994db2">&#9670;&#160;</a></span>Mode</h2>

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<p>Specifies the operation mode of the DMAy Streamx. This parameter can be a value of <a class="el" href="group___d_m_a__mode.html">DMA mode</a> </p><dl class="section note"><dt>Note</dt><dd>The circular buffer mode cannot be used if the memory-to-memory data transfer is configured on the selected Stream </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a3fbfe4dd664e24845dc75f5c8f43b5a3">&#9670;&#160;</a></span>PeriphBurst</h2>

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<p>Specifies the Burst transfer configuration for the peripheral transfers. It specifies the amount of data to be transferred in a single non interruptible transaction. This parameter can be a value of <a class="el" href="group___d_m_a___peripheral__burst.html">DMA Peripheral burst</a> </p><dl class="section note"><dt>Note</dt><dd>The burst mode is possible only if the address Increment mode is enabled. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a10a4a549953efa20c235dcbb381b6f0b">&#9670;&#160;</a></span>PeriphDataAlignment</h2>

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<p>Specifies the Peripheral data width. This parameter can be a value of <a class="el" href="group___d_m_a___peripheral__data__size.html">DMA Peripheral data size</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a46811eb656170cb5c542054d1a41db3a">&#9670;&#160;</a></span>PeriphInc</h2>

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<p>Specifies whether the Peripheral address register should be incremented or not. This parameter can be a value of <a class="el" href="group___d_m_a___peripheral__incremented__mode.html">DMA Peripheral incremented mode</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af110cc02c840207930e3c0e5de5d7dc4">&#9670;&#160;</a></span>Priority</h2>

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<p>Specifies the software priority for the DMAy Streamx. This parameter can be a value of <a class="el" href="group___d_m_a___priority__level.html">DMA Priority level</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a74997b2fac5607fafbb958d4311b9017">&#9670;&#160;</a></span>Request</h2>

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<p>Specifies the request selected for the specified stream. This parameter can be a value of <a class="el" href="group___d_m_a___request__selection.html">DMA Request selection</a> </p>

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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>C:/Users/ASUS/Desktop/dm-ctrlH7-balance-9025test/Drivers/STM32H7xx_HAL_Driver/Inc/<a class="el" href="stm32h7xx__hal__dma_8h_source.html">stm32h7xx_hal_dma.h</a></li>
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